This article was written by Jack Lloyd. Jack Lloyd is a Technology Writer and Editor for wikiHow. He has over two years of experience writing and editing technology-related articles. He is technology enthusiast and an English teacher.

Buy an MicroUSB-to-HDMI adapter. An HDMI adapter is a block with an HDMI port on one end and a cable that plugs into your phone's charging port on the other. This allows you to plug your TV's HDMI cable into your phone, albeit indirectly.

Samsung sells an official HDMI adapter for their devices, but you can find cheaper, non-branded versions online and in most electronics sections of department stores.

Using the Samsung version of the HDMI adapter will generally ensure that if it doesn't work, you can get a new one for free.

Connect the HDMI adapter to a power source. There will be a slot on the side of the HDMI adapter for your Samsung Galaxy's charger cable. Plug the charger into a socket and then connect the charging cable to the HDMI adapter.[1]XResearch source

Connecting the HDMI adapter to a power source will both allow the HDMI adapter to work and keep your Samsung Galaxy charged.

Select the HDMI cable's input. Change the current video input to show the HDMI's channel. You can see the HDMI's input number by looking for a number next to the HDMI slot on your TV. Once you reach your HDMI's input, you should see whatever is on your Samsung Galaxy's screen on your TV.

The process for changing the input will vary from TV to TV. Usually, you'll press an Input button either on your remote or your TV.

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This article was written by Jack Lloyd. Jack Lloyd is a Technology Writer and Editor for wikiHow. He has over two years of experience writing and editing technology-related articles. He is technology enthusiast and an English teacher.